Home / 384,197,260.62-530,192,390.82-207,985,250.28

Finding the Fourth Proportional to 384,197,260.62, 530,192,390.82 and 207,985,250.28

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Solution

The fourth proportional to 384,197,260.62, 530,192,390.82 and 207,985,250.28 is: 287,019,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,197,260.62 : 530,192,390.82 = 207,985,250.28 : x
  2. Step 2: Convert to fraction form
    384,197,260.62/530,192,390.82 = 207,985,250.28/x
  3. Step 3: Cross multiply
    384,197,260.62x = 530,192,390.82 × 207,985,250.28
  4. Step 4: Simplify right side
    384,197,260.62x = 110,272,197,101,249,280
  5. Step 5: Solve for x
    x = 110,272,197,101,249,280/384,197,260.62
  6. Step 6: Final answer
    x = 287,019,738.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.